# frozen_string_literal: true

module Types
  class CommitType < BaseObject
    graphql_name 'Commit'

    authorize :read_code

    present_using CommitPresenter

    implements Types::TodoableInterface

    field :id, type: GraphQL::Types::ID, null: false,
               description: 'ID (global ID) of the commit.'

    field :sha, type: GraphQL::Types::String, null: false,
                description: 'SHA1 ID of the commit.'

    field :short_id, type: GraphQL::Types::String, null: false,
                     description: 'Short SHA1 ID of the commit.'

    field :title, type: GraphQL::Types::String, null: true, calls_gitaly: true,
                  description: 'Title of the commit message.'

    field :full_title, type: GraphQL::Types::String, null: true, calls_gitaly: true,
                       description: 'Full title of the commit message.'

    field :description, type: GraphQL::Types::String, null: true,
                        description: 'Description of the commit message.'

    field :message, type: GraphQL::Types::String, null: true,
                    description: 'Raw commit message.'

    field :authored_date, type: Types::TimeType, null: true,
                          description: 'Timestamp of when the commit was authored.'

    field :committed_date, type: Types::TimeType, null: true,
                           description: 'Timestamp of when the commit was committed.'

    field :web_url, type: GraphQL::Types::String, null: false,
                    description: 'Web URL of the commit.'

    field :web_path, type: GraphQL::Types::String, null: false,
                     description: 'Web path of the commit.'

    field :signature, type: Types::CommitSignatureInterface,
                      null: true,
                      calls_gitaly: true,
                      description: 'Signature of the commit.'

    field :signature_html, type: GraphQL::Types::String, null: true, calls_gitaly: true,
                           description: 'Rendered HTML of the commit signature.'

    field :author_email, type: GraphQL::Types::String, null: true,
                         description: "Commit author's email."
    field :author_gravatar, type: GraphQL::Types::String, null: true,
                            description: 'Commit authors gravatar.'
    field :author_name, type: GraphQL::Types::String, null: true,
                        description: 'Commit authors name.'

    field :committer_email, type: GraphQL::Types::String, null: true,
                         description: "Email of the committer."

    field :committer_name, type: GraphQL::Types::String, null: true,
                        description: "Name of the committer."

    # models/commit lazy loads the author by email
    field :author, type: Types::UserType, null: true,
                   description: 'Author of the commit.'

    field :diffs, [Types::DiffType], null: true, calls_gitaly: true,
    description: 'Diffs contained within the commit. ' \
                 'This field can only be resolved for 10 diffs in any single request.' do
      # Limited to 10 calls per GraphQL request as calling `diffs` multiple times will
      # lead to N+1 queries to Gitaly.
      extension ::Gitlab::Graphql::Limit::FieldCallCount, limit: 10
    end

    field :pipelines,
          null: true,
          description: 'Pipelines of the commit ordered latest first.',
          resolver: Resolvers::CommitPipelinesResolver

    markdown_field :title_html, null: true
    markdown_field :full_title_html, null: true
    markdown_field :description_html, null: true

    def diffs
      object.diffs.diffs
    end

    def author_gravatar
      GravatarService.new.execute(object.author_email, 40)
    end
  end
end
